Welcome Ningsheng Co.,Ltd !

Quality is the core and life of products, and the sole way for survival and development of the company is to pursue product quality. We promise that our products can meet the requirements of assigned standards or specifications. It has mandated a set of documents on quality system for welded steel pipe at medium and high temperature, pipe at medium and high pressure and pipe at low temperature, and the matching materials, compliant with ISO9001:2008, other domestic and foreign standards. We have established a scientific control method and workflow system form the raw material procurement and testing, determination and valuation of welding procedure, product process control, heat treatment control and testing, final inspection and after-sale service. In the meantime, workers do their jobs strictly according to the manufacture standards and product control procedures, while the QA will do product inspection in strict accordance with the required standards. All the pressure pipes are tested by Ningbo Special Equipment Inspection Center, and issued final quality report by them. We will devote to provide our customers the high quality products.


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